-31.66% is the change from 657 to 449
Calculation steps:
[( 449 - 657 ) ÷ 657] x 100 = -31.66%
Formula
Percentage change = [(449 - 657) / 657] x 100
Subtract the new number by the original number
449 - 657 = -208
-208 ÷ 657 = -0.3165905631659056
-0.3165905631659056 x 100 = -31.66%